We are presently migrating gradually from Windows XP to Windows 7 in our Windows Server 2003 AD environment (both domain and forest are at the 2003 functional level).

I have noticed that occasionally, DNS records for Windows 7 PCs disappear from the server. I have confirmed this as an issue for at least three separate machines, and this never occurred with Windows XP machines.

When the problem occurrs, we can ping the affected machine by its short name, but not by its fully-qualified name.

On at least one PC (mine) this appears to only occur when the PC has been restarted. It does not appear to occur on a boot from a shut down state.

The DNS zone is AD-integrated, and the servers, DNS config, and AD config have not changed significantly for a long time.

We do have WINS set up, but DNS is not configured to integrate with WINS.

A Google search has not turned up any relevant hits other than the suggestion that WINS integration may cause DNS records to disappear. However, as I mentioned, we do not have that integration enabled.

If you have experienced this, or if you have some idea where to look, please help.

1st Post

Hello ELangeland,

Was this issue solved forcing DNS suffix in TCP properties as suggested?. I'm having the same problem with some Windows 7 PCS, randomly its records are deleted and it's not related to scavenging, aging or other regular deletion operations.

Thanks and best regards,

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